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Top Software Development Companies in the USA

801 IT service providers ranked by rating, review volume and listing quality.

Software development here means building software to order — a product, an internal system, or a replacement for something that has outgrown a spreadsheet. It spans firms that take a specification and deliver against it, and teams that work discovery-first and expect the specification to change.

The distinction worth establishing early is who owns the decisions. A supplier that builds exactly what was asked will deliver exactly what was asked, including the parts that were wrong. A partner that pushes back costs more in meetings and less in rework. Neither is better in the abstract; they suit different buyers and different projects, and the mismatch is where these engagements go wrong.

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Between them, the 600 best-ranked of these 801 IT service providers cover web development (448), web design (377), mobile app development (270) and android (262). 577 of them have written a profile you can read before you get in touch.

TrustList ranks more than 800 software development companies in the USA, ordered on client reviews and profile quality, never on payment. At the top right now: Blue Water, Bixlabs and Neuralab Inc..

What to check before you shortlist a software development company

A discovery or specification phase before a fixed estimate
Who is on the team, and whether they stay for the whole project
That you own the intellectual property and the source code
Testing, documentation and maintenance after release

Filter by fitbudget, engagement, size and more

December Labs
Mobile App Development · Custom Software Development · Web Development
December Labs builds vibrant and game-changing products for Enterprise corporations, such as Google, Accenture, Zurich, Santander and Nest, Silicon Valley’s top-funded startups and…
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Parrolabs
Web Development · Web Design · UI/UX Design
We develop Web Platforms, Mobile Platforms and Improve WebVisibility for Startups, Agencies, and Large Corporations.
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Zfort Group
Mobile App Development · Custom Software Development · Search Engine Optimization
Zfort Group is a Full Service IT provider. We offer comprehensive and cost-effective web & mobile solutions: from consulting and website planning to application launch and support,…
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Eight Bit Studios
Mobile App Development · Custom Software Development · Web Development
Eight Bit Studios creates award-winning apps and memorable client experiences. Because every bit counts. We’re a smart, energetic crew of tech experts from the midwest.
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PixelGrow
Custom Software Development · Web Development · Web Design
Pixelgrow brought together a very wide variety of professionals: designers, developers, illustrators, and animators, who are entrepreneurs at heart.
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Techverx
Mobile App Development · Custom Software Development · Web Development
Techverx is a full-stack software development company that goes way beyond mere technology; it offers an integrated approach of strategy, development, and operations.
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Promet Source
Mobile App Development · Custom Software Development · Web Development
Founded in 2003, Promet Source is a leading interactive development firm that implements open source tools (specifically Drupal) to deliver high-value web and mobile application…
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AltexSoft
Mobile App Development · Custom Software Development · Web Development
Being a Technology & Solution Consulting company, we co-build technology products to help companies accelerate growth.
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Saffron Tech Pvt Ltd
Mobile App Development · Custom Software Development · Web Development
Since Saffron Tech ’s inception in 2008, it has emerged as a One Stop Destination for IT solutions and related services.
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SolutionStream
Mobile App Development · Custom Software Development · Web Development
At SolutionStream, we are passionate about building world-class digital products that drive business results.
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Materiell
Mobile App Development · Custom Software Development · Search Engine Optimization
We are a Washington, DC Full Service Website Design and Development Company.
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Semaphore software
Mobile App Development · Web Development · Web Design
Since 1992, Semaphore software has played a pivotal role in fostering custom IT solutions that suit the client needs worldwide.
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Noble Studios
Mobile App Development · Custom Software Development · Social Media Marketing
We’re a creative digital performance marketing agency that helps passionate organizations achieve inspiring results.
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Zivtech
Mobile App Development · Custom Software Development · Web Development
Zivtech is a full-service digital agency based in Philadelphia that specializes in open-source web development.
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UruIT
Mobile App Development · Custom Software Development · Web Development
We are a boutique software development company founded in 2007 with offices in the USA and development centers in Uruguay and Colombia.
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DreamzTech Solutions Inc.
Mobile App Development · Custom Software Development · Web Development
DreamzTech Solutions is a global IT software consulting services firm helping clients successfully build and deliver business-critical software solutions.
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Rootstrap
Mobile App Development · Custom Software Development · Web Development
Rootstrap is a workshop that takes your MVP to a mobile app. Our road mapping sessions target UX/UI design and mobile app development.
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projekt202
Mobile App Development · Custom Software Development · Search Engine Optimization
projekt202 is the leader in experience-driven software strategy, design, and development.
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Xfive
Mobile App Development · Custom Software Development · Web Development
Xfive is a solution for design and web agencies looking to expand their capacity for front-end, PHP and Ruby on Rails or WordPress development where care is the foundation of…
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Purpose Built Software
Mobile App Development · Custom Software Development · Web Development
Purpose Built Software offers a combination of product management and custom web application development to help you build your business.
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247 Labs
Mobile App Development · Custom Software Development · Web Development
247 Labs is an award-winning team of trained, certified and experienced developers, designers & product managers who help organizations implement digital transformation projects…
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SteadyRain
Mobile App Development · Custom Software Development · Social Media Marketing
SteadyRain is a privately held, St. Louis-based digital strategy firm that works closely with each of its clients to create unique and profitable Internet technology solutions…
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KWALL
Mobile App Development · Custom Software Development · Web Development
KWALL provides expert Drupal services for clients who require their interactive property to appropriately reflect their business.
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Simpatico
Mobile App Development · Custom Software Development · Web Development
Simpatico is a creative studio based in Manhattan. We provide a range of services including user experience (UX) design and research, branding and identity, mobile and web design,…
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The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

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How many software development companies are there in the USA?

801 companies on TrustList offer software development and are based in the USA. That makes the USA the largest software development market we rank.

How is this ranking worked out?

Each firm's position comes from its client reviews and its profile, blended into one score:

Rating, smoothed so a single five-star review cannot outrank a firm with hundreds of good ones
Review volume, with diminishing returns
Profile completeness: the details a buyer needs to judge the firm
Earned trust: verification and awards, as a small lift

No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work

What else do firms in the USA offer?

We also rank web development (2,396), web design (1,857) and mobile app development (1,308) in the USA.

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Top Software Development Companies in the USA

December Labs

Parrolabs

Zfort Group

Eight Bit Studios

PixelGrow

Techverx

Promet Source

AltexSoft

Saffron Tech Pvt Ltd

SolutionStream

Materiell

Semaphore software

Noble Studios

Zivtech

UruIT

DreamzTech Solutions Inc.

Rootstrap

projekt202

Xfive

Purpose Built Software

247 Labs

SteadyRain

KWALL

Simpatico

Want to see your company here?

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How many software development companies are there in the USA?

How is this ranking worked out?

What else do firms in the USA offer?

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Other services in the USA

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